https://www.cnbc.com/2017/09/25/fighting-for-survival-in-london-uber-ceo-says-it-can-improve.html >Uber's chief executive apologized on Monday for the taxi app's mistakes in London and promised to change as the firm fights a decision by the city not to renew its license. >On Friday, the British capital's transport regulator deemed Uber unfit to run a taxi service and decided not to renew its license to operate, which will end this week, citing the firm's approach to reporting serious criminal offenses and background checks on drivers.